The correct answer is (a.) a mutation of the hemoglobin allowing better oxygen-carrying capacity. The mutation of the hemoglobin that allows a better oxygen-carrying capacity would be the most beneficial to an elephant and its descendants.
"Volume and page numbers" is the one among the following choices given in the question that is the <span>least important information in finding it. The correct option among all the options that are given in the question is the fourth option or option "D". I hope that this is the answer that has actually come to your help.</span>
Answer:
Five types of evidence for evolution are discussed in this section: ancient organism remains, fossil layers, similarities among organisms alive today, similarities in DNA, and similarities of embryos.
Explanation:
hope it helps!